staging/lustre/llite: constify export_operations structures

This export_operations structure is never modified, so declare it as const.
Most other structures of this type are already const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/llite_internal.h

@@ -796,7 +796,7 @@ char *ll_get_fsname(struct super_block *sb, char *buf, int buflen);
 void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req);
 
 /* llite/llite_nfs.c */
-extern struct export_operations lustre_export_operations;
+extern const struct export_operations lustre_export_operations;
 __u32 get_uuid2int(const char *name, int len);
 void get_uuid2fsid(const char *name, int len, __kernel_fsid_t *fsid);
 struct inode *search_inode_for_lustre(struct super_block *sb,

drivers/staging/lustre/lustre/llite/llite_nfs.c

@@ -323,7 +323,7 @@ static struct dentry *ll_get_parent(struct dentry *dchild)
 	return result;
 }
 
-struct export_operations lustre_export_operations = {
+const struct export_operations lustre_export_operations = {
        .get_parent = ll_get_parent,
        .encode_fh  = ll_encode_fh,
        .get_name   = ll_get_name,